<template>
  <div>
    <el-button type="primary">下载Power Point</el-button>
    <el-upload
      class="upload-demo"
      action="https://jsonplaceholder.typicode.com/posts/"
      :on-preview="handlePreview"
      :on-remove="handleRemove"
      :before-remove="beforeRemove"
      multiple
      :limit="3"
      :on-exceed="handleExceed">
      <el-button size="small" type="primary">上传Power Point</el-button>
      <div slot="tip" class="el-upload__tip">只能上传ppt文件，且不超过500kb</div>
    </el-upload>
  </div>
</template>

<script>
export default {
  name: 'PowerPointComponent',
  methods: {
    handleRemove (file, fileList) {
      console.log(file, fileList)
    },
    handlePreview (file) {
      console.log(file)
    },
    handleExceed (files, fileList) {
      this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`)
    },
    beforeRemove (file, fileList) {
      return this.$confirm('确定移除？')
    }
  }
}
</script>

<style scoped>

</style>
